mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-14 22:44:27 +08:00
944770ab54
Tejun reported that his resume was failing due to order-3 allocations from sched_domain building. Replace the NR_CPUS arrays in there with a dynamically allocated array. Reported-by: Tejun Heo <tj@kernel.org> Signed-off-by: Peter Zijlstra <peterz@infradead.org> Acked-by: Juri Lelli <juri.lelli@gmail.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Link: http://lkml.kernel.org/n/tip-kat4gl1m5a6dwy6nzuqox45e@git.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
34 lines
656 B
C
34 lines
656 B
C
#ifndef _LINUX_CPUDL_H
|
|
#define _LINUX_CPUDL_H
|
|
|
|
#include <linux/sched.h>
|
|
|
|
#define IDX_INVALID -1
|
|
|
|
struct cpudl_item {
|
|
u64 dl;
|
|
int cpu;
|
|
int idx;
|
|
};
|
|
|
|
struct cpudl {
|
|
raw_spinlock_t lock;
|
|
int size;
|
|
cpumask_var_t free_cpus;
|
|
struct cpudl_item *elements;
|
|
};
|
|
|
|
|
|
#ifdef CONFIG_SMP
|
|
int cpudl_find(struct cpudl *cp, struct task_struct *p,
|
|
struct cpumask *later_mask);
|
|
void cpudl_set(struct cpudl *cp, int cpu, u64 dl, int is_valid);
|
|
int cpudl_init(struct cpudl *cp);
|
|
void cpudl_cleanup(struct cpudl *cp);
|
|
#else
|
|
#define cpudl_set(cp, cpu, dl) do { } while (0)
|
|
#define cpudl_init() do { } while (0)
|
|
#endif /* CONFIG_SMP */
|
|
|
|
#endif /* _LINUX_CPUDL_H */
|